The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2020
Filed:
Jan. 06, 2017
Lg Chem, Ltd., Seoul, KR;
Beom-Seok Lee, Daejeon, KR;
Kyu-Sung Hwang, Daejeon, KR;
Eung-Jin Jang, Daejeon, KR;
Hang-Suk Choi, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Disclosed is a system and method for marking at a partial area of an optical film material. The system for marking at an optical film includes a feed roll configured to feed an optical film material in a first direction, a marking unit configured to mark a nulling mark or material information in a marking area of the optical film material fed in the first direction, other than a valid area which is attached to a display panel, a light source unit having a light source member configured to supply a marking laser light to the marking unit, and a receiving roll configured to collect the optical film material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile